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eimsori [14]
3 years ago
11

The most active of all the chemical elements is a halogen known as

Chemistry
2 answers:
Thepotemich [5.8K]3 years ago
8 0

Answer:

Fluorine

Explanation:

Fluorine is the most active and the most reactive element of all the elements in the halogen family. They are given the name halogen because they react with other elements to form different salts or salites. "hal" means salt and "gen" means to produce in Greek. Halogens are not found in free form in the nature because of their great reactivity property.

Thus, fluorine is the most active halogen of all.

m_a_m_a [10]3 years ago
4 0
Fluorine! It's highly reactive, since it has 7 electrons and wants an extra electron to fill its valence shell. 
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Bonds formed between atoms can be classified as ionic and covalent

Ionic bonds are formed between atoms that have a high difference in the electronegativity values.

In contrast, bonds formed between atoms that have a difference in electronegativity lower than the ionic counterparts are polar covalent bonds.  If the atoms have very similar electronegativities, they form non-polar covalent bonds.

In H2S, the S atom is bonded to 2 H atoms. The electronegativity of H = 2.2 and S= 2.56. Since the difference is not high the bond formed will be covalent (polar covalent).

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Which of the following is NOT a produce of the neutralization reaction between hydrochloric acid and sodium carbonate?
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Which of the following is true about metallic bonding?
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Question 6 (3 points)
olga55 [171]

Answer:

Explanation:

Given parameters:

Molarity of KOH = 0.26M

Volume of H₂SO₄ = 19.76mL

Molarity of H₂SO₄ = 0.20M

Unknown:

Volume of KOH = ?

Solution:

This is a neutralization reaction in which an acid reacts with a base to produce salt and water:

         H₂SO₄     +     2KOH      →    K₂SO₄    +     2H₂O

 We solve from the known to the unknown in the reaction.

The known is the acid and from there we can find the number of moles of the acid to be completely neutralized:

       Number of moles of acid = molarity x volume

       Number of moles of acid = 19.76 x 0.20 = 3.95mol

From the balanced reaction equation:

      1 mole of acid reacts with 2 moles of the bases KOH

     3.95mole of acid would react with 3.95moles x 2 of the base

  Number of moles of reacting base = 7.90moles

To find the volume of base;

  Volume of base = \frac{number of moles of base}{molarity}

   Volume = \frac{7.90}{0.26} = 30.40mL

Learn more:

Neutralization brainly.com/question/6447527

#learnwithBrainly

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3 years ago
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